Dining chair



FIG. 1 is a perspective view showing the new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a side view thereof, the opposite side view being a mirror image thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.

The portions of the article not shown in the drawing or described in the specification form no part of the claimed design. 

The ornamental design for a dining chair, as shown and described. 